21342410330031 has 32 divisors (see below), whose sum is σ = 36174618444800. Its totient is φ = 12182392366560.

The previous prime is 21342410330029. The next prime is 21342410330083. The reversal of 21342410330031 is 13003301424312.

It is a happy number.

21342410330031 is a `hidden beast` number, since 2 + 1 + 342 + 4 + 10 + 3 + 300 + 3 + 1 = 666.

It is not a de Polignac number, because 21342410330031 - 2¹ = 21342410330029 is a prime.

It is a super-2 number, since 2×21342410330031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21342410329977 and 21342410330004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21342410330431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61264180 + ... + 61611561.

It is an arithmetic number, because the mean of its divisors is an integer number (1130456826400).

Almost surely, 2^{21342410330031} is an apocalyptic number.

21342410330031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21342410330031 is a deficient number, since it is larger than the sum of its proper divisors (14832208114769).

21342410330031 is a wasteful number, since it uses less digits than its factorization.

21342410330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122876676 (or 122876670 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21342410330031 its reverse (13003301424312), we get a palindrome (34345711754343).

The spelling of 21342410330031 in words is "twenty-one trillion, three hundred forty-two billion, four hundred ten million, three hundred thirty thousand, thirty-one".